The week in pictures: 9 March 2012

This composite image, released by RMS Titanic Inc, and made from sonar and more than 100,000 photos taken in 2010 by unmanned, underwater robots, shows a portion of a comprehensive map of the 3-by-5-mile debris field surrounding the bow and stern of the Titanic on the bottom of the North Atlantic Ocean.Picture: RMS Titanic Inc/AP